a) Calculate the maximum power of a hydro power station with a fall height of 30 meter and a maximum flow of 1000 m³/s. The efficiency is 0.90 (3p) b) Calculate the annual production of electricity if the annual mean flow is 500 m³/s. (1p) The average head (fall height) is 30 meter. The efficiency is 0.90. The density of Water is 1000kg/m3.

a) Calculate the maximum power of a hydro power station with a fall height of 30 meter and a maximum flow of 1000 m³/s. The efficiency is 0.90 (3p) b) Calculate the annual production of electricity if the annual mean flow is 500 m³/s. (1p) The average head (fall height) is 30 meter. The efficiency is 0.90. The density of Water is 1000kg/m3.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.15P: Let a voltage source v(t)=4cos(t+60) be connected to an impedance Z=230. (a) Given the operating...

See similar textbooks

Similar questions

TUTORIAL PROBLEMS FOR STEAM STATION 1. A generating station has an overall efficiency of 15% and 0-75 kg of coal is burnt per kWh by the station. Determine the calorific value of coal in kilocalories per kilogram. [7644 kcal/kg]
Assume the maximum amount of power a plant can generate is 10,000 MW. For half the year it generates 8,990 MW of power, for a quarter of the year it generates 8,600 MW of power, for 15% of the year it generates 5,000 MW, and for 5% of the year it generates 2,500 MW. For the remainder of the year, the plant is not operating. What is the capacity factor of the plant for the year?
Read the question carefully and match the answer with its respective question: It has been predicted that next year, the daily average demand on a power plant will increase by 15% and the daily maximum demand will increase by 20%. The present daily Load Factor is 67%. Also, the present daily maximum demand on the power plant is 6MW. What is the Present daily energy production of the power plant in kWhr? 96480 What will be the new Load Factor next year? Choose...
Which negative environmental impact is NOT present in wind energy? O a. all of these O b. water use O c. thermal pollution O d. chemical pollution
STATION 1. A generating station has an overall efficiency of 15% and 0-75 kg of coal is burnt per kWh by the station. Determine the calorific value of coal in kilocalories per kilogram. [7644 kcal/kg] 2. A 75 MW steam power station uses coal of calorific value of 6400 kcal/kg. Thermal efficiency of the station is 30% while electrical efficiency is 80%. Calculate the coal consumption per hour when the station is delivering its full output. [42 tons] 3. A 65,000 kW steam power station uses coal of calorific value 15,000 kcal per kg. If the coal consumption kWh is 0-5 kg and the load factor of the station is 40%, calculate (i) the overall efficiency (ii) coal per consumption per day. [(i) 28.7% (ii) 312 tons] 4. A 60 MW steam power station has a thermal efficiency of 30%. If the coal burnt has a calorific value of 6950 kcal/kg, calculate : (i) the coal consumption per kWh, (ii)the coal consumption per day. [(i) 0-413 kg (ii) 238 tons]
Question 5 A natural gas plant with a 50MW operates at an average loading of 75% year round. How many kWh does the plant to supply to the grid? Question 6 For Question 5, the natural gas power plant costs $175,000,000 to build and costs $20M a year to operate. What is the average cost per kWh or MWh for the power produced if the estimated plant life is 20 years? Assume a discount rate of 5%.
There are four consumers in Nizwa of electricity having different load requirements at different time. Consumer 1 has a maximum demand of 3 KW at 9 pm , a demand of 1.6 KW at 8 pm and a daily load factor of 15%. Consumer 2 has a maximum demand of 2 KW at 12 noon, a load of 1 KW at 8 pm and an average load of 500 W. Consumer 3 has a maximum demand 7 KW at 5 pm, a load of 5 KW at 8 pm and a daily load factor of 25%. Consumer 4 has an average load of 1 KW and his maximum demand is 4 KW at 8 pm. Determine (i) The diversity factor (ii) The load factor and average load of each consumer (iii) The average load and load factor of the combined load. (
A base load station having a capacity of 18 MW and a standby station having a capacity of 22 MW share a common load. Find the annual load factors and plant capacity factors of two power stations from the following data :Annual standby station output = 7400MWh Annual base load station output = 100000 M kWh Peak load on standby station = 12 MW Hours of use by standby station/year = 2200 hours
A 50-cycle voltage with maximum value of 24 V. (a) What will be the value of the instantaneous voltage at 0.00175 sec after the wave passesthrough in positive direction? (b) what will be the equation of the instantaneous current, if a non-inductive resistor of 9 ohms is connectedto the voltage source?
A heating unit has a power output of 8 kW. The initial temperature of the unit is 20 ⁰C at 220 V. A voltage of 240 V is required to maintain the same loading. Find the final temperature of the heating unit if the temperature coefficient of the heating unit is 0.0007 at 0 ⁰C.
In KFC company the electrical generator installed provides a power output of 120 MW with an efficiency of 66%. Calculate, (a) The rate of energy supplied to the generator for 5hrs (b) The rate of energy input requirement if the generator is replaced with newer one and it has an efficiency of 77% (c) What do you infer form this problem?
A meter is used to measure the energy consumed by a load of 20A, 230V at 0.5 power factor. For one unit of energy the meter makes 250 revolutions. Then, percentage of error when meter makes 268 revolutions is calculated as, a. -53.39% b. -53.19% C. -53.09% d. -53.29%